支持虚拟卡读取

zuoxiao

2023-11-30 8e3719a37a6be0c9e244a0160b5f2f3331ca3122

 app/src/main/java/com/dayu/recharge/tools/LoyaltyCardReader.java

@@ -16,9 +16,11 @@
package com.dayu.recharge.tools;

import android.annotation.TargetApi;
import android.app.Activity;
import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.nfc.tech.IsoDep;
import android.nfc.tech.MifareClassic;
import android.os.Build;
import android.util.Log;

@@ -45,14 +47,21 @@

    // Weak reference to prevent retain loop. mAccountCallback is responsible for exiting
    // foreground mode before it becomes invalid (e.g. during onPause() or onStop()).
    private WeakReference<AccountCallback> mAccountCallback;
    private AccountCallback mAccountCallback;

    Activity mActivity;

    public interface AccountCallback {
        public void onAccountReceived(Tag tag);
        //实体卡回调
        public void physicalCardDoing(Tag tag);

        //虚拟卡回调
        public void virtualCardDoing(Tag tag);
    }

    public LoyaltyCardReader(AccountCallback accountCallback) {
        mAccountCallback = new WeakReference<AccountCallback>(accountCallback);
    public LoyaltyCardReader(Activity activity, AccountCallback accountCallback) {
        mActivity = activity;
        mAccountCallback = accountCallback;
    }

    /**
@@ -65,44 +74,54 @@
    @Override
    public void onTagDiscovered(Tag tag) {
        Log.i(TAG, "New tag discovered");
        mAccountCallback.get().onAccountReceived(tag);
        // Android's Host-based Card Emulation (HCE) feature implements the ISO-DEP (ISO 14443-4)
        // protocol.
        //
        // In order to communicate with a device using HCE, the discovered tag should be processed
        // using the IsoDep class.
        IsoDep isoDep = IsoDep.get(tag);
        if (isoDep != null) {
            try {
                // Connect to the remote NFC device
                isoDep.connect();
                // Build SELECT AID command for our loyalty card service.
                // This command tells the remote device which service we wish to communicate with.
                Log.i(TAG, "Requesting remote AID: " + SAMPLE_LOYALTY_CARD_AID);
//                mAccountCallback.get().onAccountReceived();
                byte[] command = BuildSelectApdu(SAMPLE_LOYALTY_CARD_AID);

                // Send command to remote device
                Log.i(TAG, "Sending: " + ByteArrayToHexString(command));
//                mAccountCallback.get().onAccountReceived();
                byte[] result = isoDep.transceive(command);
                // If AID is successfully selected, 0x9000 is returned as the status word (last 2
                // bytes of the result) by convention. Everything before the status word is
                // optional payload, which is used here to hold the account number.
                int resultLength = result.length;
                byte[] statusWord = {result[resultLength - 2], result[resultLength - 1]};
                byte[] payload = Arrays.copyOf(result, resultLength - 2);
                if (Arrays.equals(SELECT_OK_SW, statusWord)) {
                    // The remote NFC device will immediately respond with its stored account number
                    String accountNumber = new String(payload, "UTF-8");
                    Log.i(TAG, "Received: " + accountNumber);
                    // Inform CardReaderFragment of received account number
//                    mAccountCallback.get().onAccountReceived();
        MifareClassic mifareClassic=  MifareClassic.get(tag);
        //普通M1卡
        if (mifareClassic!=null){
            mActivity.runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    mAccountCallback.physicalCardDoing(tag);
                }
            } catch (IOException e) {
                Log.e(TAG, "Error communicating with card: " + e.toString());
            });
        }else {
            // Android 的基于主机的卡仿真 （HCE） 功能实现了 ISO-DEP （ISO 14443-4） 协议。为了使用 HCE 与设备通信，应使用 IsoDep 类处理发现的标记。
            IsoDep isoDep = IsoDep.get(tag);
            if (isoDep != null) {
                try {
                    // Connect to the remote NFC device
                    isoDep.connect();
                    // Build SELECT AID command for our loyalty card service.
                    // This command tells the remote device which service we wish to communicate with.
                    Log.i(TAG, "Requesting remote AID: " + SAMPLE_LOYALTY_CARD_AID);
//                mAccountCallback.get().onAccountReceived();
                    byte[] command = BuildSelectApdu(SAMPLE_LOYALTY_CARD_AID);

                    // Send command to remote device
                    Log.i(TAG, "Sending: " + ByteArrayToHexString(command));
//                mAccountCallback.get().onAccountReceived();
                    byte[] result = isoDep.transceive(command);
                    // If AID is successfully selected, 0x9000 is returned as the status word (last 2
                    // bytes of the result) by convention. Everything before the status word is
                    // optional payload, which is used here to hold the account number.
                    int resultLength = result.length;
                    byte[] statusWord = {result[resultLength - 2], result[resultLength - 1]};
                    byte[] payload = Arrays.copyOf(result, resultLength - 2);
                    if (Arrays.equals(SELECT_OK_SW, statusWord)) {
                        // The remote NFC device will immediately respond with its stored account number
                        String accountNumber = new String(payload, "UTF-8");
                        Log.i(TAG, "Received: " + accountNumber);
                        // Inform CardReaderFragment of received account number
//                    mAccountCallback.get().onAccountReceived();
                    }
                } catch (IOException e) {
                    Log.e(TAG, "Error communicating with card: " + e.toString());
                }
            }
        }




    }

    /**